CN211855634U - Portable high accuracy temperature sensing cable detection device - Google Patents
Portable high accuracy temperature sensing cable detection device Download PDFInfo
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- CN211855634U CN211855634U CN202020562403.6U CN202020562403U CN211855634U CN 211855634 U CN211855634 U CN 211855634U CN 202020562403 U CN202020562403 U CN 202020562403U CN 211855634 U CN211855634 U CN 211855634U
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Abstract
The utility model belongs to the technical field of cable detection, especially, be a portable high accuracy temperature sensing cable detection device, including the grip block, grip block one end has centre gripping upper plate and centre gripping lower plate, centre gripping upper plate and centre gripping lower plate opposite side all are equipped with two symmetric distribution's holding wire gyro wheel, the intermediate position of centre gripping upper plate up end is equipped with the temperature detection case, grip block up end is equipped with two heating detection cases, two the heating detection case symmetric distribution is in the outer wall both sides of temperature detection case, heating detection case up end is installed air supply mechanism; when the temperature sensing cable is alarmed through the alarm, whether the surface temperature of the temperature sensing cable is consistent with the standard temperature or not is observed at the moment, and then the detection of the temperature sensing cable is completed.
Description
Technical Field
The utility model belongs to the technical field of the cable detects, specifically a portable high accuracy temperature sensing cable detection device.
Background
The temperature sensing cable, also known as a linear temperature sensing fire detector, has the capability of continuously monitoring the temperature of a protected object along the whole line. The temperature sensing cable is stable and reliable, and is suitable for fire detection in severe environment.
The power cable is a thermal poor conductor, and heat generated by a cable core wire in a normal operation or fault state is mainly transferred to the surface of the cable by virtue of heat conduction, and the temperature transferred to the surface of the cable is uniformly distributed along the whole length of the power cable. The cable type temperature-sensing detector on the cable bridge or the cable bracket is recommended to be laid layer by layer, so that the requirements of regulations and specifications can be met, and the power cable can be protected to the greatest extent. Because the power cables are continuously distributed, the temperature sensing cables continuously monitor the temperature condition of the power cables along the whole length of the power cables, so that the power cables can be protected in the largest procedure, no matter the power cables or the control cables, and the reason that the wire cores of the power cables generate heat is that current passes through the wire cores of the power cables. The heat generated by the core wire of the power cable in the normal working state reaches the surface of the cable through heat conduction, and even if the heat is detected by the linear temperature-sensing detector, the linear temperature-sensing detector cannot give an alarm because the temperature of the cable does not reach the alarm value at the moment.
Because the temperature sensing cable plays the effect of protection to the power cable, therefore the key that whether temperature sensing cable can work safely effectual is the problem, because the temperature sensing cable is located the cable testing bridge, therefore operating personnel needs a convenient and portable equipment to detect the operating condition of temperature sensing cable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable high accuracy temperature sensing cable detection device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a portable high-precision temperature-sensing cable detection device comprises a clamping plate, wherein one end of the clamping plate is provided with an upper clamping plate and a lower clamping plate, two symmetrically-distributed wire holding rollers are arranged on opposite sides of the upper clamping plate and the lower clamping plate, a temperature detection box is arranged in the middle of the upper end face of the upper clamping plate, two heating detection boxes are arranged on the upper end face of the clamping plate and are symmetrically distributed on two sides of the outer wall of the temperature detection box, an air supply mechanism is arranged on the upper end face of the heating detection boxes and is electrically connected with an external power supply, a heating mechanism is arranged in the heating detection boxes, a heating wire is arranged on one side of the heating mechanism and is positioned under the air supply mechanism, a vent is arranged on the bottom face of the heating detection boxes, the vent is positioned under the heating wire, and a temperature display is arranged on the upper end face of the temperature detection boxes, the temperature-sensing device is characterized in that a temperature-sensing probe is arranged at the bottom of the temperature display, a fixed pipe is fixedly connected to the bottom surface of the temperature-sensing box, the fixed pipe extends to one side, close to the clamping lower plate, of the clamping upper plate, and a sliding pipe used for mounting the temperature-sensing probe is connected in the fixed pipe in a sliding mode.
As a further aspect of the present invention: the fixed pipe inner wall has been seted up the spout, slip pipe outer wall fixedly connected with spout matched with slider, slider sliding connection be in the inner wall of spout.
As a further aspect of the present invention: the top surface of the inner wall of the sliding chute is provided with a spring, and the fixed pipe is elastically connected with the sliding pipe through the spring.
As a further aspect of the present invention: the detection end of the temperature sensing probe is flush with the bottom surface of the sliding pipe.
As a further aspect of the present invention: the length of a connecting wire between the temperature display and the temperature sensing probe is provided with allowance, and the connecting wire is positioned inside the temperature detection box.
As a further aspect of the present invention: the shape of the wire holding roller is hourglass-shaped.
As a further aspect of the present invention: the clamping upper plate is hinged with the clamping lower plate through an elastic hinge.
Compared with the prior art, the beneficial effects of the utility model are that:
the centre gripping upper plate and centre gripping hypoplastron are through holding a line gyro wheel with the temperature sensing cable centre gripping, heat the heater strip through heating mechanism this moment, the temperature on temperature sensing cable surface risees this moment, respond to temperature sensing cable surface temperature through temperature sensing probe, when the temperature sensing cable passes through the alarm and reports to the police, observe whether temperature sensing cable surface temperature is unanimous with standard temperature this moment, and then accomplished the detection of temperature sensing cable, examine time measuring to power cable simultaneously, can be directly through temperature sensing probe detection power cable's surface temperature, the device simple structure, the shape is small and exquisite, and can accomplish the detection of response cable and power cable, has very high practicality.
Drawings
FIG. 1 is a schematic structural diagram of a portable high-precision temperature-sensitive cable detection device;
FIG. 2 is a schematic front view of a portable high-precision temperature-sensitive cable detection device;
FIG. 3 is a schematic sectional view of a portable high-precision temperature-sensitive cable detection device;
fig. 4 is a schematic cross-sectional view of a fixing tube in a portable high-precision temperature-sensitive cable detection device.
In the figure: 1. a clamping plate; 11. clamping the upper plate; 12. clamping the lower plate; 2. a wire holding roller; 3. a temperature detection box; 31. a temperature display; 311. a temperature sensing probe; 32. a fixed tube; 321. a chute; 33. a sliding tube; 331. a slider; 34. a spring; 4. heating the detection box; 41. an air supply mechanism; 42. a heating mechanism; 421. heating wires; 43. and a vent.
Detailed Description
Referring to fig. 1-4, in the embodiment of the present invention, a portable high-precision temperature-sensing cable detection device comprises a clamping plate 1, wherein one end of the clamping plate 1 is provided with an upper clamping plate 11 and a lower clamping plate 12, two symmetrically distributed wire-holding rollers 2 are respectively arranged at opposite sides of the upper clamping plate 11 and the lower clamping plate 12, a temperature detection box 3 is arranged at a middle position of an upper end surface of the upper clamping plate 11, two heating detection boxes 4 are arranged at an upper end surface of the clamping plate 1, the two heating detection boxes 4 are symmetrically distributed at two sides of an outer wall of the temperature detection box 3, an air supply mechanism 41 is arranged at an upper end surface of each heating detection box 4, the air supply mechanism 41 is electrically connected with an external power supply, a heating mechanism 42 is arranged inside each heating detection box 4, a heating wire is arranged at one side of the heating mechanism 42, the heating wire 421 is positioned under the air supply mechanism 41, a vent 43 is arranged at, the upper end surface of the temperature detection box 3 is provided with a temperature display 31, the bottom of the temperature display 31 is provided with a temperature sensing probe 311, the bottom surface of the temperature detection box 3 is fixedly connected with a fixed pipe 32, the fixed pipe 32 extends to one side of the clamping upper plate 11 close to the clamping lower plate 12, and the fixed pipe 32 is internally and slidably connected with a sliding pipe 33 for installing the temperature sensing probe 311; the temperature sensing cable is clamped by the upper clamping plate 11 and the lower clamping plate 12 through the wire clamping roller 2, the heating wire 421 is heated by the heating mechanism 42 at this time, the heating mechanism 42 can adopt electric heating, the joule effect of the current is utilized to convert the electric energy into heat energy to heat the object, the direct resistance heating and the indirect resistance heating are generally divided into direct resistance heating and indirect resistance heating, the air supply mechanism 41 supplies air at this time, the air supply mechanism 41 adopts a fan, the fan blade rotates to pass the air flow through the heating wire 421, thereby the hot air is blown to the surface of the temperature sensing cable, the temperature on the surface of the temperature sensing cable is increased at this time, the temperature on the surface of the temperature sensing cable is sensed by the temperature sensing probe 311, the temperature collected by the temperature sensing probe 311 is displayed by the temperature display 31, the temperature display 31 adopts a CH6 digital display, the temperature sensing probe 311 adopts a K-shaped probe matched with the, and then accomplished the detection of temperature sensing cable, when examining power cable simultaneously, can directly survey power cable's surface temperature through temperature sensing probe 311, the device simple structure, the shape is small and exquisite to can accomplish the detection of response cable and power cable, have very high practicality.
In fig. 4: the inner wall of the fixed tube 32 is provided with a sliding groove 321, the outer wall of the sliding tube 33 is fixedly connected with a sliding block 331 matched with the sliding groove 321, the sliding block 331 is connected to the inner wall of the sliding groove 321 in a sliding mode, a spring 34 is arranged on the top surface of the inner wall of the sliding groove 321, the fixed tube 32 is elastically connected with the sliding tube 33 through the spring 34, the detection end of the temperature sensing probe 311 is flush with the bottom surface of the sliding tube 33, and due to the fact that the diameters of different cables are consistent, the sliding tube 33 drives the temperature sensing probe 311 to slide up and down in the fixed tube 32, the sliding tube 33 cannot slip from the fixed tube 32 through the matching sliding of the sliding groove 321 and the sliding block 331, and elasticity.
In fig. 3: the length of the connecting line between the temperature display 31 and the temperature sensing probe 311 is provided with a margin, the connecting line is positioned in the temperature detection box 3, and the temperature sensing probe 311 needs to slide up and down in the fixed pipe 32, so the provided margin can prevent the situation that the length between the temperature sensing probe 311 and the temperature display 31 is insufficient.
In fig. 1: the shape of the wire holding roller 2 is hourglass-shaped, the clamping upper plate 11 and the clamping lower plate 12 are hinged through the elastic hinge, and after the clamping upper plate 11 and the clamping lower plate 12 are opened under stress, the opposite surfaces of the clamping upper plate 11 and the clamping lower plate 12 are acted on the surface of a cable through the elastic force of the elastic hinge, and the wire holding roller 2 acts on the surface of the cable.
The utility model discloses a theory of operation is: the temperature sensing cable is clamped by the clamping upper plate 11 and the clamping lower plate 12 through the wire holding roller 2, the heating wire 421 is heated by the heating mechanism 42 at the moment, air is supplied by the air supply mechanism 41, the air supply mechanism 41 adopts a fan, air flow passes through the heating wire 421 through the rotation of fan blades, so that hot air is blown to the surface of the temperature sensing cable, the temperature on the surface of the temperature sensing cable is raised, the surface temperature of the temperature sensing cable is sensed by the temperature sensing probe 311, the temperature collected by the temperature sensing probe 311 is displayed by the temperature display 31, when the temperature sensing cable alarms through the alarm, whether the surface temperature of the temperature sensing cable is consistent with the standard temperature or not is observed at the moment, and the detection of the temperature sensing cable is further completed, and when the power cable is detected, the surface temperature of the power cable can be directly detected through the temperature sensing probe 311, the device, has high practicability.
Claims (7)
1. The portable high-precision temperature sensing cable detection device is characterized by comprising a clamping plate (1), wherein one end of the clamping plate (1) is provided with an upper clamping plate (11) and a lower clamping plate (12), two symmetrically-distributed wire holding rollers (2) are arranged on opposite sides of the upper clamping plate (11) and the lower clamping plate (12), a temperature detection box (3) is arranged in the middle of the upper end face of the upper clamping plate (11), two heating detection boxes (4) are arranged on the upper end face of the clamping plate (1), and the two heating detection boxes (4) are symmetrically distributed on two sides of the outer wall of the temperature detection box (3);
an air supply mechanism (41) is installed on the upper end face of the heating detection box (4), the air supply mechanism (41) is electrically connected with an external power supply, a heating mechanism (42) is installed inside the heating detection box (4), a heating wire (421) is arranged on one side of the heating mechanism (42), the heating wire (421) is located under the air supply mechanism (41), a ventilation opening (43) is formed in the bottom face of the heating detection box (4), and the ventilation opening (43) is located under the heating wire (421);
temperature detection case (3) up end is equipped with temperature monitor (31), temperature monitor (31) bottom is equipped with temperature sensing probe (311), the fixed pipe (32) of temperature detection case (3) bottom surface fixedly connected with, fixed pipe (32) extend to centre gripping upper plate (11) are close to one side of centre gripping hypoplastron (12), sliding connection has in fixed pipe (32) is used for the installation slide tube (33) of temperature sensing probe (311).
2. The portable high-precision temperature-sensitive cable detection device according to claim 1, wherein a sliding groove (321) is formed in an inner wall of the fixed tube (32), a sliding block (331) matched with the sliding groove (321) is fixedly connected to an outer wall of the sliding tube (33), and the sliding block (331) is slidably connected to an inner wall of the sliding groove (321).
3. The portable high-precision temperature-sensitive cable detection device according to claim 2, wherein a spring (34) is disposed on a top surface of an inner wall of the sliding groove (321), and the fixed tube (32) and the sliding tube (33) are elastically connected through the spring (34).
4. The portable high-precision temperature-sensing cable detection device according to claim 1, wherein the detection end of the temperature-sensing probe (311) is flush with the bottom surface of the sliding tube (33).
5. The portable high-precision temperature-sensing cable detection device according to claim 1, wherein a connection line between the temperature display (31) and the temperature-sensing probe (311) has a margin, and the connection line is located inside the temperature detection box (3).
6. The portable high-precision temperature-sensitive cable detection device according to claim 1, wherein the wire holding roller (2) is hourglass-shaped.
7. The portable high-precision temperature-sensitive cable detection device according to claim 1, wherein the clamping upper plate (11) is hinged to the clamping lower plate (12) by an elastic hinge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020562403.6U CN211855634U (en) | 2020-04-15 | 2020-04-15 | Portable high accuracy temperature sensing cable detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020562403.6U CN211855634U (en) | 2020-04-15 | 2020-04-15 | Portable high accuracy temperature sensing cable detection device |
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| CN211855634U true CN211855634U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020562403.6U Active CN211855634U (en) | 2020-04-15 | 2020-04-15 | Portable high accuracy temperature sensing cable detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189118A (en) * | 2021-03-16 | 2021-07-30 | 国网山东省电力公司郓城县供电公司 | Detection and marking device for outer surface damage points of power cables |
-
2020
- 2020-04-15 CN CN202020562403.6U patent/CN211855634U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189118A (en) * | 2021-03-16 | 2021-07-30 | 国网山东省电力公司郓城县供电公司 | Detection and marking device for outer surface damage points of power cables |
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